Mark the letter A, B, C, or D on your answer sheet to indicate the cor

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Mary has been financially independent since she _____ to work.

• A. A. went out
• B. B. will go out
• C. C. was going out
• D. D. would go out.

Hiện tại hoàn thành + since + Qúa khứ đơn

Dịch nghĩa: Mary đã tự chủ tài chính từ khi cô ấy đi làm.